PCB Libraries, Inc. | https://www.pcblibraries.com/Forum/smallest-via-hole-that-can-use-a-3-mils_topic2497_post10288.html
0.15 mm (6 mils). The big issue is the pad annular ring. The fab shop will add 3 - 4 mils to the finished hole size. Then you must consider drill drift and layer to layer tolerance of 3 mil
PCB Libraries, Inc. | https://www.pcblibraries.com/forum/smallest-via-hole-that-can-use-a-3-mils_topic2497_post10288.html
0.15 mm (6 mils). The big issue is the pad annular ring. The fab shop will add 3 - 4 mils to the finished hole size. Then you must consider drill drift and layer to layer tolerance of 3 mil
PCB Libraries, Inc. | https://www.pcblibraries.com/Forum/topic2497&OB=DESC.html
). The big issue is the pad annular ring. The fab shop will add 3 - 4 mils to the finished hole size. Then you must consider drill drift and layer to layer tolerance of 3 mil
PCB Libraries, Inc. | https://www.pcblibraries.com/forum/topic2497&OB=ASC.html
0.15 mm (6 mils). The big issue is the pad annular ring. The fab shop will add 3 - 4 mils to the finished hole size. Then you must consider drill drift and layer to layer tolerance of 3 mil
ASYMTEK Products | Nordson Electronics Solutions | https://www.nordson.com/da-DK/divisions/adhesive-dispensing-systems
. Elektrisk eller pneumatisk limapplisering som understøtter flexible limmønstre og sikre pålidelig drift Mere information Smeltelimudstyr med let
ASYMTEK Products | Nordson Electronics Solutions | https://www.nordson.com/sv-SE/divisions/adhesive-dispensing-systems
. Unity™ dispenseringssystem Förbättra vidhäftning, tätning och gjutning av konsument- och industrielektronik Elektrisk eller pneumatisk limapplicering stödjer flexibla limmönster och säkerställer pålitlig drift. Mer information
| http://etasmt.com/cc?ID=te_news_industry,24164&url=_print
the stability, especially lead-free production. if the temperature curve drift slightly ,it would be easy to jump out of the process window causes cold or damage to components
| http://etasmt.com/cc?ID=te_news_industry,4561&url=_print
equipment, it still need to be assure the stability, especially lead-free production. if the temperature curve drift slightly ,it would be easy to jump out of the process window causes cold or damage to components. Therefore, more and more manufacturers
ASYMTEK Products | Nordson Electronics Solutions | https://www.nordson.com/en/divisions/adhesive-dispensing-systems/about-adhesives/news-search/2014versablue-plus-melters
. This functionality compensates for possible pattern drift over time, particularly in demanding, high-speed intermittent applications
PCB Libraries, Inc. | https://www.pcblibraries.com/Forum/topic417&OB=DESC.html
. Also, not having a side goal aligns the package straight on the pads. If you add a side goal, the Molded Body part can drift during reflow and come out of the oven at an angle